Device for preventing erroneous insertion of a plurality of prin

Details Device for preventing erroneous insertion of a plurality of prin Device for preventing erroneous insertion of a plurality of prin

1980-11-25

1983-08-30

Desmond, Eugene F.

Geometrical instruments

339 17M, 339186M, H01R 300, H05K 114

Patent

active

044013582

ABSTRACT:
A device for preventing erroneous insertion of a plurality of print substrates into corresponding connectors in a rack, comprising engagement mechanisms detachably mounted on respective print substrates and having engagement portions adapted to be snugly engaged with corresponding portions of adjacent engagement mechanisms only when the print substrates are correctly inserted into corresponding connectors in the rack.

REFERENCES:
patent: 2946033 (1960-07-01), Wirth
patent: 3191095 (1965-06-01), Hefti
patent: 3614714 (1971-10-01), Silverstein

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